Biography
Seo-yeon is a South Korean singer. She is active as a soloist under the stage name Yi Seoyeon (Y:SY). She is a former member of the girl group fromis_9.
Movies & TV Shows
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The Game Caterers (2021) — Self
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Idol School (2017) — Self - Contestant
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Welcome to Heal Inn (2018)
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We See Winter (2019)
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Lee Mujin Service (2022) — Guest
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Fromis's Room (2017)
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fromis_9 concert ＜LOVE FROM.＞ IN JAPAN (2023)
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FROMIS_9: [NOW TOMORROW WORLD TOUR] (2025) — Self
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프롤로그_프로미스의 방 엿보기 (2017)
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Jae Joong and Friends (2023)
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fromis_9's Summer Night (2022) — Self
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fromis_9's Autumn Night (2022) — Self
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Duckbap House (2025) — Self